Can anyone tell me what this nifty blue window is and will Avast get rid of it?

[system]

My wife keeps getting this on her work computer, what exactly is it and how do you get rid of it?

http://thundercloud.net/infoave/images/2016/scamtech-noted.png

[Eddy]

http://lmgtfy.com/?q=844-329-5602+scam

https://forum.avast.com/index.php?topic=53253.0